AMF AMF Users Manual | Page 6

6 6. Suspended solids loading capacity ................................................................................................................................. 24 Anthracite depth filtration .................................................................................................................................................. 24 Turning off and starting up a media bed filter .................................................................................................................... 24 Decommissioning and commissioning a filter .................................................................................................................... 24 7. Run phase filtering water, performance of AFM® & sand ............................................................................................. 25 Filtration performance and grade of filter media ............................................................................................................... 28 AFM® grade 0 Performance. ............................................................................................................................................... 31 8. How to back-wash a filter .............................................................................................................................................. 32 Air purge ............................................................................................................................................................................. 32 At the start of a water back-wash, slowly wind-up to 100% water flow ............................................................................ 32 Back-wash water flow to achieve 10% to 20% bed expansion ........................................................................................... 33 Bed Expansion freshwater .................................................................................................................................................. 34 Back-wash duration to insure completion of the back-wash process ................................................................................ 36 Rinse phase to prevent solids entering the product water, and back to Run phase .......................................................... 36 Instantaneous filtration performance after a back-wash ................................................................................................... 37 9. Pressure filter System Schematics ................................................................................................................................. 39 5 Valve – Single Filter layout and multi filter configuration ............................................................................................... 39 10. Storage ....................................................................................................................................................................... 40 11. Disposal of waste and spillage ................................................................................................................................... 40 12. Annex Index ............................................................................................................................................................... 41 Annex 1. Applications for AFM® ........................................................................................................................................ 42 Annex 2 AFM® for the tertiary treatment of Waste water ................................................................................................. 43 Municipal wastewater ........................................................................................................................................................ 44 Annex 3. The removal of Arsenic, Ferric and Manganese .................................................................................................. 46 Annex 4 Removal of Phosphate from water ....................................................................................................................... 47 Water & Wastewater treatment to remove phosphate ..................................................................................................... 47 Annex 5, Parasitic nematode egg removal from waste water, and second use of water for irrigation ............................. 49 Annex 6 Analysis of product water prior to connection of drinking water filtration system to a network ........................ 50 Annex 6. Water quality standards…Standards European and WHO drinking water quality ............................................. 52